Environmental and Health Effects of Benzene Exposure among Egyptian Taxi Drivers

Table 1

Ambient concentrations of benzene (ppm), toluene, ethylbenzene, and xylene in taxi versus station results.

	Air samples		Test	value
	Taxi (no. = 120)	Station^# (no. = 40)
	Benzene (ppm)	0.89 ± 0.42			3.69 ± 1.88	Mann–Whitney = 8.26	<0.001
Toluene (ppm)	27.37 ± 6.59	120.59 ± 1.17	t = 147.93	<0.001
Ethylbenzene (ppm)	29.16 ± 2.50	133.70 ± 7.20	t = 89.97	<0.001
Xylene (ppm)	25.04 ± 2.17	114.35 ± 6.86	t = 81.01	<0.001

Significant; ^#Abdel-Rasoul et al. [10].